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OpenStudy (anonymous):
One more trig problem. "(cos Θ − cos Θ)^2 + (cos Θ + cos Θ)^2" Available answer choices are A. sin^2 Θ B. 4cos^2 Θ C. 8 D. cos^2 Θ
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OpenStudy (lυἶცἶ0210):
Distribute/FOIL.
OpenStudy (anonymous):
So would that make it B.?
OpenStudy (anonymous):
@lυἶცἶ0210
OpenStudy (lυἶცἶ0210):
Yup!
OpenStudy (anonymous):
@lυἶცἶ0210 Thanks a bunch!
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